Computer Aided Design (CAD) programs are used by engineers and architects to create two-dimensional and three-dimensional models of their designs. There are a variety of CAD programs available, each with its own strengths and weaknesses.

Some of the most popular CAD programs are Autodesk AutoCAD, Solidworks, and Sketchup. AutoCAD is a widely used program with a large community of users. It has a wide range of features, but can be complicated to use. Solidworks is a popular program used by engineers, and is known for its powerful simulation tools. Sketchup is a simple but powerful program used by architects and …